package ningbo.Initialization_Cleanup;

/**
 * @Author 宁铂
 * @Date 2021/7/13 15:13
 * @Version 1.0
 */
public class Demo {
    public static void main(String[] args) {
        Test test = new Test();
        System.out.println(test.s);
    }
}

class Test{
    String s;
}
